Mader also plays in Ural Umbo, Sum of R, and Pendulum Nisum.
Pendulum Nisum is the duo of Reto Mader and Mike Reber.

The droning music for chamber instruments and electronics of
Ural Umbo (Utech, 2010), a duo with and Steven Hess of Haptic,
was given follow-ups on
Delusion Of Hope (Utech, 2011) and
Fog Tapes (Hinterzimmer, 2011).